4445028 has 72 divisors (see below), whose sum is σ = 13278720. Its totient is φ = 1226880.

The previous prime is 4445027. The next prime is 4445029. The reversal of 4445028 is 8205444.

It is an interprime number because it is at equal distance from previous prime (4445027) and next prime (4445029).

It is a junction number, because it is equal to n+sod(n) for n = 4444992 and 4445010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4445027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7528 + ... + 8096.

Almost surely, 2^4445028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4445028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6639360).

4445028 is an abundant number, since it is smaller than the sum of its proper divisors (8833692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4445028 is a wasteful number, since it uses less digits than its factorization.

4445028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 4445028 is about 2108.3235045884. The cubic root of 4445028 is about 164.4213338326.

The spelling of 4445028 in words is "four million, four hundred forty-five thousand, twenty-eight".